#include <stdio.h>

int main() {
	int i = 1;
	switch (i) {
		int x = 2;
		case 0:
			printf("x:%d\n", x);
			break;
		case 1:
			printf("x:%d\n", x);
			break;
		case 2:
			printf("x:%d\n", x);
			break;
		default_0:
			printf("x:%d\n", x);
			break;
	}
	return 0;
}

